Landakotskirkja (Landakot's Church), formally Basilika Krists konungs (The Basilica of Christ the King), is the cathedral of the Catholic Church in Iceland. Often referred to as Kristskirkja (Christ's Church), Landakotskirkja is in the western part of Reykjavík, Iceland's capital city. The cathedral was consecrated on the 23rd July 1929 by Pope Pius XIs special envoy, Cardinal van Rossum. at Landakotskirkja

I'm not sure if this is a double or triple reflection, but if you look at the left side you can see that this skyscraper is itself reflected in the opposite tower, and so is the entire reflection of the two towers! I thought it was a pretty cool effect. at Toronto, Ontario